Finding the Fourth Proportional to 306,011.12, 459,791.66 and 193,744.12
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Solution
The fourth proportional to 306,011.12, 459,791.66 and 193,744.12 is: 291,106.84
Step by Step Solution
- Step 1: Write the proportion equation
306,011.12 : 459,791.66 = 193,744.12 : x - Step 2: Convert to fraction form
306,011.12/459,791.66 = 193,744.12/x - Step 3: Cross multiply
306,011.12x = 459,791.66 × 193,744.12 - Step 4: Simplify right side
306,011.12x = 89,081,930,550.04 - Step 5: Solve for x
x = 89,081,930,550.04/306,011.12 - Step 6: Final answer
x = 291,106.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.